ShellYard
Last reviewed against v0.9.0 source: internal/tools/dhcp_tools.go

DHCP tools

Walk a switch over SNMP for active DHCP leases. Find the IP a MAC currently holds. Scope utilization for SNMP-discoverable DHCP servers.

Three operations against switches that expose DHCP info via SNMP:

OperationUse case
List active leasesWalk a switch, dump every (MAC, IP, port) triplet in its table
Find IP by MACSearch across saved switches for a specific MAC
Scope utilizationRead DHCP-MIB on a server to graph free vs. assigned

Tier-gated to Pro+.